<?php
/*##  TbTabView class file.
 *
 * Use TbTabView as replacement for Yii CTabView
 *
 * @author Joe Blocher <yii@myticket.at>
 * @copyright Copyright &copy; Joe Blocher 2012
 * @license [New BSD License](http://www.opensource.org/licenses/bsd-license.php) 
 * @package bootstrap.widgets
 */
Yii::import('bootstrap.widgets.TbTabs');

class TbTabView extends TbTabs
{

	/**
	 * @var array
	 *
	 * Additional data submitted to the views
	 */
	public $viewData;

	/**
	 *### .normalizeTabs()
	 *
	 * Override from TbTabs
	 *
	 * @param array $tabs the tab configuration
	 * @param array $panes a reference to the panes array
	 * @param integer $i the current index
	 *
	 * @return array the items
	 */
	protected function normalizeTabs($tabs, &$panes, &$i = 0)
	{
		$id = $this->getId();
		$items = array();

		//---------------- new -------------------
		//Check if has an active item
		$hasActiveItem = false;
		foreach ($tabs as $tab) {
			$hasActiveItem = isset($tab['active']) ? $tab['active'] : false;
			if ($hasActiveItem) {
				break;
			}
		}
		//---------------- end new -------------------

		foreach ($tabs as $tab) {
			$item = $tab;

			if (isset($item['visible']) && $item['visible'] === false) {
				continue;
			}

			//---------------- new -------------------
			//check first active
			if (!$hasActiveItem && $i == 0) {
				$item['active'] = true;
			}

			//title -> label
			if (isset($item['title'])) {
				if (!isset($item['label'])) {
					$item['label'] = $item['title'];
				}
				unset($item['title']);
			}
			//------   end new ----------------

			if (!isset($item['itemOptions'])) {
				$item['itemOptions'] = array();
			}

			$item['linkOptions']['data-toggle'] = 'tab';

			if (isset($tab['items'])) {
				$item['items'] = $this->normalizeTabs($item['items'], $panes, $i);
			} else {
				if (!isset($item['id'])) {
					$item['id'] = $id . '_tab_' . ($i + 1);
				}

				$item['url'] = '#' . $item['id'];

				//if (!isset($item['content'])) removed
				//	$item['content'] = '';

				//--------------- new ---------------
				if (!isset($item['content'])) {
					if (isset($item['view'])) {
						if (isset($item['data'])) {
							if (is_array($this->viewData)) {
								$data = array_merge($this->viewData, $item['data']);
							} else {
								$data = $item['data'];
							}

							unset($item['data']);
						} else {
							$data = $this->viewData;
						}

						$item['content'] = $this->getController()->renderPartial($item['view'], $data, true);

						unset($item['view']);
					} else {
						$item['content'] = '';
					}
				}
				//--------------- end new ---------------

				$content = $item['content'];
				unset($item['content']);

				if (!isset($item['paneOptions'])) {
					$item['paneOptions'] = array();
				}

				$paneOptions = $item['paneOptions'];
				unset($item['paneOptions']);

				$paneOptions['id'] = $item['id'];

				$classes = array('tab-pane fade');

				if (isset($item['active']) && $item['active']) {
					$classes[] = 'active in';
				}

				$classes = implode(' ', $classes);
				if (isset($paneOptions['class'])) {
					$paneOptions['class'] .= ' ' . $classes;
				} else {
					$paneOptions['class'] = $classes;
				}

				$panes[] = CHtml::tag('div', $paneOptions, $content);

				$i++; // increment the tab-index
			}

			$items[] = $item;
		}

		return $items;
	}

}
